Home / 38,272.88-57,331.56-19,766

Finding the Fourth Proportional to 38,272.88, 57,331.56 and 19,766

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Solution

The fourth proportional to 38,272.88, 57,331.56 and 19,766 is: 29,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.88 : 57,331.56 = 19,766 : x
  2. Step 2: Convert to fraction form
    38,272.88/57,331.56 = 19,766/x
  3. Step 3: Cross multiply
    38,272.88x = 57,331.56 × 19,766
  4. Step 4: Simplify right side
    38,272.88x = 1,133,215,614.96
  5. Step 5: Solve for x
    x = 1,133,215,614.96/38,272.88
  6. Step 6: Final answer
    x = 29,608.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.